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參數(shù)資料
| 型號(hào)： | FST16232 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Synchronous 16-Bit to 32-Bit Multiplexer/Demultiplexer Bus Switch(同步16位到32位多路復(fù)用器/多路分解器總線開關(guān)) |
| 中文描述： | 同步16位到32位多路復(fù)用器/多路解復(fù)用器總線開關(guān)（同步16位到32位多路復(fù)用器/多路分解器總線開關(guān)） |
| 文件頁(yè)數(shù)： | 4/6頁(yè) |
| 文件大小： | 98K |
| 代理商： | FST16232 |
www.fairchildsemi.com
4
F
AC Electrical Characteristics
Note 6:
This parameter is guaranteed by design but is not tested. The bus switch contributes no propagation delay other than the RC delay of the typical On
resistance of the switch and the 50pF load capacitance, when driven by an ideal voltage source (zero output impedance).
Capacitance
(Note 7)
Note 7:
T
A
=
+
25
°
C, f
=
1 MHz, Capacitance is characterized but not tested.
AC Loading and Waveforms
Note:
Input driven by 50
source terminated in 50
Note:
C
L
includes load and stray capacitance
Note:
Input PRR
=
1.0 MHz, t
W
=
500 ns
FIGURE 1. AC Test Circuit
FIGURE 2. AC Waveforms
Symbol
Parameter
T
A
=
40
°
C to
+
85
°
C,
C
L
=
50pF, RU
=
RD
=
500
V
CC
=
4.5 – 5.5V
Min
Max
150
Units
Conditions
Figure
No.
V
CC
=
4.0V
Min
150
Max
f
MAX
Maximum Clock Frequency
MHz
V
I
=
OPEN
Figure 1
Figure 2
Figure 1
Figure 2
Figure 1
Figure 2
t
PHL
, t
PLH
Prop Delay Bus to Bus (Note 6)
0.25
0.25
ns
V
I
=
OPEN
t
PHL
, t
PLH
Prop Delay CLK to B or A
2.0
6.3
6.0
ns
V
I
=
OPEN
t
PZH
, t
PZL
Output Enable Time
CLK to A
=
B
1
=
B
2
Output Enable Time
1.7
8.5
9.0
ns
V
I
=
7V for t
PZL
,
V
I
=
OPEN for t
PZH
V
I
=
7V for t
PZL
,
V
I
=
OPEN for t
PZH
V
I
=
7V for t
PLZ
,
V
I
=
OPEN for t
PHZ
Figure 1
Figure 2
2.0
6.5
6.5
ns
Figure 1
Figure 2
CLK to A or B
1
or B
2
Output Disable Time
CLK to A or B
Setup Time S
1
, S
0
before CLK
↑
t
PHZ
, t
PLZ
1.0
8.5
9.0
ns
Figure 1
Figure 2
t
S
2.5
2.8
ns
Figure 1
Figure 2
Setup Time CLKEN before CLK
↑
Hold Time S
1
, S
0
after CLK
↑
1.8
1.0
2.0
1.0
t
H
ns
Figure 1
Figure 2
Hold Time CLKEN after CLK
↑
Pulse Width
1.5
3.1
1.5
3.1
t
W
ns
Clock HIGH or LOW
Figure 1
Figure 2
Symbol
Parameter
Typ
Max
Units
Conditions
C
IN
C
I/O
Control pin Input Capacitance
Input/Output Capacitance
4
7
pF
pF
V
CC
=
5.0V
V
CC
=
5.0V, S
0
, S
1
=
0V
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